696 lines
23 KiB
Tcl
696 lines
23 KiB
Tcl
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# tk.tcl --
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#
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# Initialization script normally executed in the interpreter for each Tk-based
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# application. Arranges class bindings for widgets.
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#
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# Copyright (c) 1992-1994 The Regents of the University of California.
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# Copyright (c) 1994-1996 Sun Microsystems, Inc.
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# Copyright (c) 1998-2000 Ajuba Solutions.
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#
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# See the file "license.terms" for information on usage and redistribution of
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# this file, and for a DISCLAIMER OF ALL WARRANTIES.
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# Verify that we have Tk binary and script components from the same release
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package require -exact Tk 8.6.8
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# Create a ::tk namespace
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namespace eval ::tk {
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# Set up the msgcat commands
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namespace eval msgcat {
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namespace export mc mcmax
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if {[interp issafe] || [catch {package require msgcat}]} {
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# The msgcat package is not available. Supply our own
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# minimal replacement.
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proc mc {src args} {
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return [format $src {*}$args]
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}
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proc mcmax {args} {
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set max 0
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foreach string $args {
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set len [string length $string]
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if {$len>$max} {
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set max $len
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}
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}
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return $max
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}
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} else {
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# Get the commands from the msgcat package that Tk uses.
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namespace import ::msgcat::mc
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namespace import ::msgcat::mcmax
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::msgcat::mcload [file join $::tk_library msgs]
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}
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}
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namespace import ::tk::msgcat::*
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}
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# and a ::ttk namespace
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namespace eval ::ttk {
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if {$::tk_library ne ""} {
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# avoid file join to work in safe interps, but this is also x-plat ok
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variable library $::tk_library/ttk
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}
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}
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# Add Ttk & Tk's directory to the end of the auto-load search path, if it
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# isn't already on the path:
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if {[info exists ::auto_path] && ($::tk_library ne "")
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&& ($::tk_library ni $::auto_path)
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} then {
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lappend ::auto_path $::tk_library $::ttk::library
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}
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# Turn off strict Motif look and feel as a default.
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set ::tk_strictMotif 0
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# Turn on useinputmethods (X Input Methods) by default.
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# We catch this because safe interpreters may not allow the call.
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catch {tk useinputmethods 1}
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# ::tk::PlaceWindow --
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# place a toplevel at a particular position
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# Arguments:
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# toplevel name of toplevel window
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# ?placement? pointer ?center? ; places $w centered on the pointer
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# widget widgetPath ; centers $w over widget_name
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# defaults to placing toplevel in the middle of the screen
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# ?anchor? center or widgetPath
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# Results:
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# Returns nothing
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#
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proc ::tk::PlaceWindow {w {place ""} {anchor ""}} {
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wm withdraw $w
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update idletasks
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set checkBounds 1
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if {$place eq ""} {
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set x [expr {([winfo screenwidth $w]-[winfo reqwidth $w])/2}]
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set y [expr {([winfo screenheight $w]-[winfo reqheight $w])/2}]
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set checkBounds 0
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} elseif {[string equal -length [string length $place] $place "pointer"]} {
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## place at POINTER (centered if $anchor == center)
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if {[string equal -length [string length $anchor] $anchor "center"]} {
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set x [expr {[winfo pointerx $w]-[winfo reqwidth $w]/2}]
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set y [expr {[winfo pointery $w]-[winfo reqheight $w]/2}]
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} else {
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set x [winfo pointerx $w]
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set y [winfo pointery $w]
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}
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} elseif {[string equal -length [string length $place] $place "widget"] && \
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[winfo exists $anchor] && [winfo ismapped $anchor]} {
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## center about WIDGET $anchor, widget must be mapped
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set x [expr {[winfo rootx $anchor] + \
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([winfo width $anchor]-[winfo reqwidth $w])/2}]
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set y [expr {[winfo rooty $anchor] + \
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([winfo height $anchor]-[winfo reqheight $w])/2}]
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} else {
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set x [expr {([winfo screenwidth $w]-[winfo reqwidth $w])/2}]
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set y [expr {([winfo screenheight $w]-[winfo reqheight $w])/2}]
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set checkBounds 0
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}
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if {$checkBounds} {
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if {$x < [winfo vrootx $w]} {
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set x [winfo vrootx $w]
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} elseif {$x > ([winfo vrootx $w]+[winfo vrootwidth $w]-[winfo reqwidth $w])} {
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set x [expr {[winfo vrootx $w]+[winfo vrootwidth $w]-[winfo reqwidth $w]}]
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}
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if {$y < [winfo vrooty $w]} {
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set y [winfo vrooty $w]
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} elseif {$y > ([winfo vrooty $w]+[winfo vrootheight $w]-[winfo reqheight $w])} {
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set y [expr {[winfo vrooty $w]+[winfo vrootheight $w]-[winfo reqheight $w]}]
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}
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if {[tk windowingsystem] eq "aqua"} {
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# Avoid the native menu bar which sits on top of everything.
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if {$y < 22} {
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set y 22
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}
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}
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}
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wm maxsize $w [winfo vrootwidth $w] [winfo vrootheight $w]
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wm geometry $w +$x+$y
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wm deiconify $w
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}
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# ::tk::SetFocusGrab --
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# swap out current focus and grab temporarily (for dialogs)
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# Arguments:
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# grab new window to grab
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# focus window to give focus to
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# Results:
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# Returns nothing
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#
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proc ::tk::SetFocusGrab {grab {focus {}}} {
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set index "$grab,$focus"
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upvar ::tk::FocusGrab($index) data
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lappend data [focus]
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set oldGrab [grab current $grab]
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lappend data $oldGrab
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if {[winfo exists $oldGrab]} {
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lappend data [grab status $oldGrab]
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}
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# The "grab" command will fail if another application
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# already holds the grab. So catch it.
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catch {grab $grab}
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if {[winfo exists $focus]} {
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focus $focus
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}
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}
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# ::tk::RestoreFocusGrab --
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# restore old focus and grab (for dialogs)
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# Arguments:
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# grab window that had taken grab
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# focus window that had taken focus
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# destroy destroy|withdraw - how to handle the old grabbed window
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# Results:
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# Returns nothing
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#
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proc ::tk::RestoreFocusGrab {grab focus {destroy destroy}} {
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set index "$grab,$focus"
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if {[info exists ::tk::FocusGrab($index)]} {
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foreach {oldFocus oldGrab oldStatus} $::tk::FocusGrab($index) { break }
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unset ::tk::FocusGrab($index)
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} else {
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set oldGrab ""
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}
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catch {focus $oldFocus}
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grab release $grab
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if {$destroy eq "withdraw"} {
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wm withdraw $grab
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} else {
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destroy $grab
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}
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if {[winfo exists $oldGrab] && [winfo ismapped $oldGrab]} {
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if {$oldStatus eq "global"} {
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grab -global $oldGrab
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} else {
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grab $oldGrab
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}
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}
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}
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# ::tk::GetSelection --
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# This tries to obtain the default selection. On Unix, we first try
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# and get a UTF8_STRING, a type supported by modern Unix apps for
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# passing Unicode data safely. We fall back on the default STRING
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# type otherwise. On Windows, only the STRING type is necessary.
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# Arguments:
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# w The widget for which the selection will be retrieved.
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# Important for the -displayof property.
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# sel The source of the selection (PRIMARY or CLIPBOARD)
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# Results:
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# Returns the selection, or an error if none could be found
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#
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if {[tk windowingsystem] ne "win32"} {
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proc ::tk::GetSelection {w {sel PRIMARY}} {
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if {[catch {
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selection get -displayof $w -selection $sel -type UTF8_STRING
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} txt] && [catch {
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selection get -displayof $w -selection $sel
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} txt]} then {
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return -code error -errorcode {TK SELECTION NONE} \
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"could not find default selection"
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} else {
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return $txt
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}
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}
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} else {
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proc ::tk::GetSelection {w {sel PRIMARY}} {
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if {[catch {
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selection get -displayof $w -selection $sel
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} txt]} then {
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return -code error -errorcode {TK SELECTION NONE} \
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"could not find default selection"
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} else {
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return $txt
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}
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}
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}
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# ::tk::ScreenChanged --
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# This procedure is invoked by the binding mechanism whenever the
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# "current" screen is changing. The procedure does two things.
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# First, it uses "upvar" to make variable "::tk::Priv" point at an
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# array variable that holds state for the current display. Second,
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# it initializes the array if it didn't already exist.
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#
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# Arguments:
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# screen - The name of the new screen.
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proc ::tk::ScreenChanged screen {
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# Extract the display name.
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set disp [string range $screen 0 [string last . $screen]-1]
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# Ensure that namespace separators never occur in the display name (as
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# they cause problems in variable names). Double-colons exist in some VNC
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# display names. [Bug 2912473]
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set disp [string map {:: _doublecolon_} $disp]
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uplevel #0 [list upvar #0 ::tk::Priv.$disp ::tk::Priv]
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variable ::tk::Priv
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if {[info exists Priv]} {
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set Priv(screen) $screen
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return
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}
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array set Priv {
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activeMenu {}
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activeItem {}
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afterId {}
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buttons 0
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buttonWindow {}
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dragging 0
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focus {}
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grab {}
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initPos {}
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inMenubutton {}
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listboxPrev {}
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menuBar {}
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mouseMoved 0
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oldGrab {}
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popup {}
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postedMb {}
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pressX 0
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pressY 0
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prevPos 0
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selectMode char
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}
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set Priv(screen) $screen
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set Priv(tearoff) [string equal [tk windowingsystem] "x11"]
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set Priv(window) {}
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}
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# Do initial setup for Priv, so that it is always bound to something
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# (otherwise, if someone references it, it may get set to a non-upvar-ed
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# value, which will cause trouble later).
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tk::ScreenChanged [winfo screen .]
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# ::tk::EventMotifBindings --
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# This procedure is invoked as a trace whenever ::tk_strictMotif is
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# changed. It is used to turn on or turn off the motif virtual
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# bindings.
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#
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# Arguments:
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# n1 - the name of the variable being changed ("::tk_strictMotif").
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proc ::tk::EventMotifBindings {n1 dummy dummy} {
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upvar $n1 name
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if {$name} {
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set op delete
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} else {
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set op add
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}
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event $op <<Cut>> <Control-Key-w> <Control-Lock-Key-W> <Shift-Key-Delete>
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event $op <<Copy>> <Meta-Key-w> <Meta-Lock-Key-W> <Control-Key-Insert>
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event $op <<Paste>> <Control-Key-y> <Control-Lock-Key-Y> <Shift-Key-Insert>
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event $op <<PrevChar>> <Control-Key-b> <Control-Lock-Key-B>
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event $op <<NextChar>> <Control-Key-f> <Control-Lock-Key-F>
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event $op <<PrevLine>> <Control-Key-p> <Control-Lock-Key-P>
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event $op <<NextLine>> <Control-Key-n> <Control-Lock-Key-N>
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event $op <<LineStart>> <Control-Key-a> <Control-Lock-Key-A>
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event $op <<LineEnd>> <Control-Key-e> <Control-Lock-Key-E>
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event $op <<SelectPrevChar>> <Control-Key-B> <Control-Lock-Key-b>
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event $op <<SelectNextChar>> <Control-Key-F> <Control-Lock-Key-f>
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event $op <<SelectPrevLine>> <Control-Key-P> <Control-Lock-Key-p>
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event $op <<SelectNextLine>> <Control-Key-N> <Control-Lock-Key-n>
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event $op <<SelectLineStart>> <Control-Key-A> <Control-Lock-Key-a>
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event $op <<SelectLineEnd>> <Control-Key-E> <Control-Lock-Key-e>
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}
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#----------------------------------------------------------------------
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# Define common dialogs on platforms where they are not implemented
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# using compiled code.
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#----------------------------------------------------------------------
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if {![llength [info commands tk_chooseColor]]} {
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proc ::tk_chooseColor {args} {
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return [::tk::dialog::color:: {*}$args]
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}
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}
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if {![llength [info commands tk_getOpenFile]]} {
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proc ::tk_getOpenFile {args} {
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if {$::tk_strictMotif} {
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return [::tk::MotifFDialog open {*}$args]
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} else {
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return [::tk::dialog::file:: open {*}$args]
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}
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}
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}
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if {![llength [info commands tk_getSaveFile]]} {
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proc ::tk_getSaveFile {args} {
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if {$::tk_strictMotif} {
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|
|
return [::tk::MotifFDialog save {*}$args]
|
|||
|
|
} else {
|
|||
|
|
return [::tk::dialog::file:: save {*}$args]
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if {![llength [info commands tk_messageBox]]} {
|
|||
|
|
proc ::tk_messageBox {args} {
|
|||
|
|
return [::tk::MessageBox {*}$args]
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if {![llength [info command tk_chooseDirectory]]} {
|
|||
|
|
proc ::tk_chooseDirectory {args} {
|
|||
|
|
return [::tk::dialog::file::chooseDir:: {*}$args]
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#----------------------------------------------------------------------
|
|||
|
|
# Define the set of common virtual events.
|
|||
|
|
#----------------------------------------------------------------------
|
|||
|
|
|
|||
|
|
switch -exact -- [tk windowingsystem] {
|
|||
|
|
"x11" {
|
|||
|
|
event add <<Cut>> <Control-Key-x> <Key-F20> <Control-Lock-Key-X>
|
|||
|
|
event add <<Copy>> <Control-Key-c> <Key-F16> <Control-Lock-Key-C>
|
|||
|
|
event add <<Paste>> <Control-Key-v> <Key-F18> <Control-Lock-Key-V>
|
|||
|
|
event add <<PasteSelection>> <ButtonRelease-2>
|
|||
|
|
event add <<Undo>> <Control-Key-z> <Control-Lock-Key-Z>
|
|||
|
|
event add <<Redo>> <Control-Key-Z> <Control-Lock-Key-z>
|
|||
|
|
event add <<ContextMenu>> <Button-3>
|
|||
|
|
# On Darwin/Aqua, buttons from left to right are 1,3,2. On Darwin/X11 with recent
|
|||
|
|
# XQuartz as the X server, they are 1,2,3; other X servers may differ.
|
|||
|
|
|
|||
|
|
event add <<SelectAll>> <Control-Key-slash>
|
|||
|
|
event add <<SelectNone>> <Control-Key-backslash>
|
|||
|
|
event add <<NextChar>> <Right>
|
|||
|
|
event add <<SelectNextChar>> <Shift-Right>
|
|||
|
|
event add <<PrevChar>> <Left>
|
|||
|
|
event add <<SelectPrevChar>> <Shift-Left>
|
|||
|
|
event add <<NextWord>> <Control-Right>
|
|||
|
|
event add <<SelectNextWord>> <Control-Shift-Right>
|
|||
|
|
event add <<PrevWord>> <Control-Left>
|
|||
|
|
event add <<SelectPrevWord>> <Control-Shift-Left>
|
|||
|
|
event add <<LineStart>> <Home>
|
|||
|
|
event add <<SelectLineStart>> <Shift-Home>
|
|||
|
|
event add <<LineEnd>> <End>
|
|||
|
|
event add <<SelectLineEnd>> <Shift-End>
|
|||
|
|
event add <<PrevLine>> <Up>
|
|||
|
|
event add <<NextLine>> <Down>
|
|||
|
|
event add <<SelectPrevLine>> <Shift-Up>
|
|||
|
|
event add <<SelectNextLine>> <Shift-Down>
|
|||
|
|
event add <<PrevPara>> <Control-Up>
|
|||
|
|
event add <<NextPara>> <Control-Down>
|
|||
|
|
event add <<SelectPrevPara>> <Control-Shift-Up>
|
|||
|
|
event add <<SelectNextPara>> <Control-Shift-Down>
|
|||
|
|
event add <<ToggleSelection>> <Control-ButtonPress-1>
|
|||
|
|
|
|||
|
|
# Some OS's define a goofy (as in, not <Shift-Tab>) keysym that is
|
|||
|
|
# returned when the user presses <Shift-Tab>. In order for tab
|
|||
|
|
# traversal to work, we have to add these keysyms to the PrevWindow
|
|||
|
|
# event. We use catch just in case the keysym isn't recognized.
|
|||
|
|
|
|||
|
|
# This is needed for XFree86 systems
|
|||
|
|
catch { event add <<PrevWindow>> <ISO_Left_Tab> }
|
|||
|
|
# This seems to be correct on *some* HP systems.
|
|||
|
|
catch { event add <<PrevWindow>> <hpBackTab> }
|
|||
|
|
|
|||
|
|
trace add variable ::tk_strictMotif write ::tk::EventMotifBindings
|
|||
|
|
set ::tk_strictMotif $::tk_strictMotif
|
|||
|
|
# On unix, we want to always display entry/text selection,
|
|||
|
|
# regardless of which window has focus
|
|||
|
|
set ::tk::AlwaysShowSelection 1
|
|||
|
|
}
|
|||
|
|
"win32" {
|
|||
|
|
event add <<Cut>> <Control-Key-x> <Shift-Key-Delete> <Control-Lock-Key-X>
|
|||
|
|
event add <<Copy>> <Control-Key-c> <Control-Key-Insert> <Control-Lock-Key-C>
|
|||
|
|
event add <<Paste>> <Control-Key-v> <Shift-Key-Insert> <Control-Lock-Key-V>
|
|||
|
|
event add <<PasteSelection>> <ButtonRelease-2>
|
|||
|
|
event add <<Undo>> <Control-Key-z> <Control-Lock-Key-Z>
|
|||
|
|
event add <<Redo>> <Control-Key-y> <Control-Lock-Key-Y>
|
|||
|
|
event add <<ContextMenu>> <Button-3>
|
|||
|
|
|
|||
|
|
event add <<SelectAll>> <Control-Key-slash> <Control-Key-a> <Control-Lock-Key-A>
|
|||
|
|
event add <<SelectNone>> <Control-Key-backslash>
|
|||
|
|
event add <<NextChar>> <Right>
|
|||
|
|
event add <<SelectNextChar>> <Shift-Right>
|
|||
|
|
event add <<PrevChar>> <Left>
|
|||
|
|
event add <<SelectPrevChar>> <Shift-Left>
|
|||
|
|
event add <<NextWord>> <Control-Right>
|
|||
|
|
event add <<SelectNextWord>> <Control-Shift-Right>
|
|||
|
|
event add <<PrevWord>> <Control-Left>
|
|||
|
|
event add <<SelectPrevWord>> <Control-Shift-Left>
|
|||
|
|
event add <<LineStart>> <Home>
|
|||
|
|
event add <<SelectLineStart>> <Shift-Home>
|
|||
|
|
event add <<LineEnd>> <End>
|
|||
|
|
event add <<SelectLineEnd>> <Shift-End>
|
|||
|
|
event add <<PrevLine>> <Up>
|
|||
|
|
event add <<NextLine>> <Down>
|
|||
|
|
event add <<SelectPrevLine>> <Shift-Up>
|
|||
|
|
event add <<SelectNextLine>> <Shift-Down>
|
|||
|
|
event add <<PrevPara>> <Control-Up>
|
|||
|
|
event add <<NextPara>> <Control-Down>
|
|||
|
|
event add <<SelectPrevPara>> <Control-Shift-Up>
|
|||
|
|
event add <<SelectNextPara>> <Control-Shift-Down>
|
|||
|
|
event add <<ToggleSelection>> <Control-ButtonPress-1>
|
|||
|
|
}
|
|||
|
|
"aqua" {
|
|||
|
|
event add <<Cut>> <Command-Key-x> <Key-F2> <Command-Lock-Key-X>
|
|||
|
|
event add <<Copy>> <Command-Key-c> <Key-F3> <Command-Lock-Key-C>
|
|||
|
|
event add <<Paste>> <Command-Key-v> <Key-F4> <Command-Lock-Key-V>
|
|||
|
|
event add <<PasteSelection>> <ButtonRelease-3>
|
|||
|
|
event add <<Clear>> <Clear>
|
|||
|
|
event add <<ContextMenu>> <Button-2>
|
|||
|
|
|
|||
|
|
# Official bindings
|
|||
|
|
# See http://support.apple.com/kb/HT1343
|
|||
|
|
event add <<SelectAll>> <Command-Key-a>
|
|||
|
|
event add <<SelectNone>> <Option-Command-Key-a>
|
|||
|
|
event add <<Undo>> <Command-Key-z> <Command-Lock-Key-Z>
|
|||
|
|
event add <<Redo>> <Shift-Command-Key-z> <Shift-Command-Lock-Key-z>
|
|||
|
|
event add <<NextChar>> <Right> <Control-Key-f> <Control-Lock-Key-F>
|
|||
|
|
event add <<SelectNextChar>> <Shift-Right> <Shift-Control-Key-F> <Shift-Control-Lock-Key-F>
|
|||
|
|
event add <<PrevChar>> <Left> <Control-Key-b> <Control-Lock-Key-B>
|
|||
|
|
event add <<SelectPrevChar>> <Shift-Left> <Shift-Control-Key-B> <Shift-Control-Lock-Key-B>
|
|||
|
|
event add <<NextWord>> <Option-Right>
|
|||
|
|
event add <<SelectNextWord>> <Shift-Option-Right>
|
|||
|
|
event add <<PrevWord>> <Option-Left>
|
|||
|
|
event add <<SelectPrevWord>> <Shift-Option-Left>
|
|||
|
|
event add <<LineStart>> <Home> <Command-Left> <Control-Key-a> <Control-Lock-Key-A>
|
|||
|
|
event add <<SelectLineStart>> <Shift-Home> <Shift-Command-Left> <Shift-Control-Key-A> <Shift-Control-Lock-Key-A>
|
|||
|
|
event add <<LineEnd>> <End> <Command-Right> <Control-Key-e> <Control-Lock-Key-E>
|
|||
|
|
event add <<SelectLineEnd>> <Shift-End> <Shift-Command-Right> <Shift-Control-Key-E> <Shift-Control-Lock-Key-E>
|
|||
|
|
event add <<PrevLine>> <Up> <Control-Key-p> <Control-Lock-Key-P>
|
|||
|
|
event add <<SelectPrevLine>> <Shift-Up> <Shift-Control-Key-P> <Shift-Control-Lock-Key-P>
|
|||
|
|
event add <<NextLine>> <Down> <Control-Key-n> <Control-Lock-Key-N>
|
|||
|
|
event add <<SelectNextLine>> <Shift-Down> <Shift-Control-Key-N> <Shift-Control-Lock-Key-N>
|
|||
|
|
# Not official, but logical extensions of above. Also derived from
|
|||
|
|
# bindings present in MS Word on OSX.
|
|||
|
|
event add <<PrevPara>> <Option-Up>
|
|||
|
|
event add <<NextPara>> <Option-Down>
|
|||
|
|
event add <<SelectPrevPara>> <Shift-Option-Up>
|
|||
|
|
event add <<SelectNextPara>> <Shift-Option-Down>
|
|||
|
|
event add <<ToggleSelection>> <Command-ButtonPress-1>
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# ----------------------------------------------------------------------
|
|||
|
|
# Read in files that define all of the class bindings.
|
|||
|
|
# ----------------------------------------------------------------------
|
|||
|
|
|
|||
|
|
if {$::tk_library ne ""} {
|
|||
|
|
proc ::tk::SourceLibFile {file} {
|
|||
|
|
namespace eval :: [list source [file join $::tk_library $file.tcl]]
|
|||
|
|
}
|
|||
|
|
namespace eval ::tk {
|
|||
|
|
SourceLibFile icons
|
|||
|
|
SourceLibFile button
|
|||
|
|
SourceLibFile entry
|
|||
|
|
SourceLibFile listbox
|
|||
|
|
SourceLibFile menu
|
|||
|
|
SourceLibFile panedwindow
|
|||
|
|
SourceLibFile scale
|
|||
|
|
SourceLibFile scrlbar
|
|||
|
|
SourceLibFile spinbox
|
|||
|
|
SourceLibFile text
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# ----------------------------------------------------------------------
|
|||
|
|
# Default bindings for keyboard traversal.
|
|||
|
|
# ----------------------------------------------------------------------
|
|||
|
|
|
|||
|
|
event add <<PrevWindow>> <Shift-Tab>
|
|||
|
|
event add <<NextWindow>> <Tab>
|
|||
|
|
bind all <<NextWindow>> {tk::TabToWindow [tk_focusNext %W]}
|
|||
|
|
bind all <<PrevWindow>> {tk::TabToWindow [tk_focusPrev %W]}
|
|||
|
|
|
|||
|
|
# ::tk::CancelRepeat --
|
|||
|
|
# This procedure is invoked to cancel an auto-repeat action described
|
|||
|
|
# by ::tk::Priv(afterId). It's used by several widgets to auto-scroll
|
|||
|
|
# the widget when the mouse is dragged out of the widget with a
|
|||
|
|
# button pressed.
|
|||
|
|
#
|
|||
|
|
# Arguments:
|
|||
|
|
# None.
|
|||
|
|
|
|||
|
|
proc ::tk::CancelRepeat {} {
|
|||
|
|
variable ::tk::Priv
|
|||
|
|
after cancel $Priv(afterId)
|
|||
|
|
set Priv(afterId) {}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# ::tk::TabToWindow --
|
|||
|
|
# This procedure moves the focus to the given widget.
|
|||
|
|
# It sends a <<TraverseOut>> virtual event to the previous focus window,
|
|||
|
|
# if any, before changing the focus, and a <<TraverseIn>> event
|
|||
|
|
# to the new focus window afterwards.
|
|||
|
|
#
|
|||
|
|
# Arguments:
|
|||
|
|
# w - Window to which focus should be set.
|
|||
|
|
|
|||
|
|
proc ::tk::TabToWindow {w} {
|
|||
|
|
set focus [focus]
|
|||
|
|
if {$focus ne ""} {
|
|||
|
|
event generate $focus <<TraverseOut>>
|
|||
|
|
}
|
|||
|
|
focus $w
|
|||
|
|
event generate $w <<TraverseIn>>
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# ::tk::UnderlineAmpersand --
|
|||
|
|
# This procedure takes some text with ampersand and returns text w/o
|
|||
|
|
# ampersand and position of the ampersand. Double ampersands are
|
|||
|
|
# converted to single ones. Position returned is -1 when there is no
|
|||
|
|
# ampersand.
|
|||
|
|
#
|
|||
|
|
proc ::tk::UnderlineAmpersand {text} {
|
|||
|
|
set s [string map {&& & & \ufeff} $text]
|
|||
|
|
set idx [string first \ufeff $s]
|
|||
|
|
return [list [string map {\ufeff {}} $s] $idx]
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# ::tk::SetAmpText --
|
|||
|
|
# Given widget path and text with "magic ampersands", sets -text and
|
|||
|
|
# -underline options for the widget
|
|||
|
|
#
|
|||
|
|
proc ::tk::SetAmpText {widget text} {
|
|||
|
|
lassign [UnderlineAmpersand $text] newtext under
|
|||
|
|
$widget configure -text $newtext -underline $under
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# ::tk::AmpWidget --
|
|||
|
|
# Creates new widget, turning -text option into -text and -underline
|
|||
|
|
# options, returned by ::tk::UnderlineAmpersand.
|
|||
|
|
#
|
|||
|
|
proc ::tk::AmpWidget {class path args} {
|
|||
|
|
set options {}
|
|||
|
|
foreach {opt val} $args {
|
|||
|
|
if {$opt eq "-text"} {
|
|||
|
|
lassign [UnderlineAmpersand $val] newtext under
|
|||
|
|
lappend options -text $newtext -underline $under
|
|||
|
|
} else {
|
|||
|
|
lappend options $opt $val
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
set result [$class $path {*}$options]
|
|||
|
|
if {[string match "*button" $class]} {
|
|||
|
|
bind $path <<AltUnderlined>> [list $path invoke]
|
|||
|
|
}
|
|||
|
|
return $result
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# ::tk::AmpMenuArgs --
|
|||
|
|
# Processes arguments for a menu entry, turning -label option into
|
|||
|
|
# -label and -underline options, returned by ::tk::UnderlineAmpersand.
|
|||
|
|
# The cmd argument is supposed to be either "add" or "entryconfigure"
|
|||
|
|
#
|
|||
|
|
proc ::tk::AmpMenuArgs {widget cmd type args} {
|
|||
|
|
set options {}
|
|||
|
|
foreach {opt val} $args {
|
|||
|
|
if {$opt eq "-label"} {
|
|||
|
|
lassign [UnderlineAmpersand $val] newlabel under
|
|||
|
|
lappend options -label $newlabel -underline $under
|
|||
|
|
} else {
|
|||
|
|
lappend options $opt $val
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
$widget $cmd $type {*}$options
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# ::tk::FindAltKeyTarget --
|
|||
|
|
# Search recursively through the hierarchy of visible widgets to find
|
|||
|
|
# button or label which has $char as underlined character.
|
|||
|
|
#
|
|||
|
|
proc ::tk::FindAltKeyTarget {path char} {
|
|||
|
|
set class [winfo class $path]
|
|||
|
|
if {$class in {
|
|||
|
|
Button Checkbutton Label Radiobutton
|
|||
|
|
TButton TCheckbutton TLabel TRadiobutton
|
|||
|
|
} && [string equal -nocase $char \
|
|||
|
|
[string index [$path cget -text] [$path cget -underline]]]} {
|
|||
|
|
return $path
|
|||
|
|
}
|
|||
|
|
set subwins [concat [grid slaves $path] [pack slaves $path] \
|
|||
|
|
[place slaves $path]]
|
|||
|
|
if {$class eq "Canvas"} {
|
|||
|
|
foreach item [$path find all] {
|
|||
|
|
if {[$path type $item] eq "window"} {
|
|||
|
|
set w [$path itemcget $item -window]
|
|||
|
|
if {$w ne ""} {lappend subwins $w}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
} elseif {$class eq "Text"} {
|
|||
|
|
lappend subwins {*}[$path window names]
|
|||
|
|
}
|
|||
|
|
foreach child $subwins {
|
|||
|
|
set target [FindAltKeyTarget $child $char]
|
|||
|
|
if {$target ne ""} {
|
|||
|
|
return $target
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# ::tk::AltKeyInDialog --
|
|||
|
|
# <Alt-Key> event handler for standard dialogs. Sends <<AltUnderlined>>
|
|||
|
|
# to button or label which has appropriate underlined character.
|
|||
|
|
#
|
|||
|
|
proc ::tk::AltKeyInDialog {path key} {
|
|||
|
|
set target [FindAltKeyTarget $path $key]
|
|||
|
|
if {$target ne ""} {
|
|||
|
|
event generate $target <<AltUnderlined>>
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# ::tk::mcmaxamp --
|
|||
|
|
# Replacement for mcmax, used for texts with "magic ampersand" in it.
|
|||
|
|
#
|
|||
|
|
|
|||
|
|
proc ::tk::mcmaxamp {args} {
|
|||
|
|
set maxlen 0
|
|||
|
|
foreach arg $args {
|
|||
|
|
# Should we run [mc] in caller's namespace?
|
|||
|
|
lassign [UnderlineAmpersand [mc $arg]] msg
|
|||
|
|
set length [string length $msg]
|
|||
|
|
if {$length > $maxlen} {
|
|||
|
|
set maxlen $length
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return $maxlen
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# For now, turn off the custom mdef proc for the mac:
|
|||
|
|
|
|||
|
|
if {[tk windowingsystem] eq "aqua"} {
|
|||
|
|
namespace eval ::tk::mac {
|
|||
|
|
set useCustomMDEF 0
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# Run the Ttk themed widget set initialization
|
|||
|
|
if {$::ttk::library ne ""} {
|
|||
|
|
uplevel \#0 [list source $::ttk::library/ttk.tcl]
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# Local Variables:
|
|||
|
|
# mode: tcl
|
|||
|
|
# fill-column: 78
|
|||
|
|
# End:
|